(19)

(11)

EP 3 286 541 A1

(12)

(43) Date of publication: 28.02.2018 Bulletin 2018/09 (21) Application number: 16782437.4 (22) Date of filing: 22.04.2016

(51) International Patent Classification (IPC):  G01M 15/05(2006.01) G01L 23/22(2006.01) F02D 41/22(2006.01) (86) International application number: PCT/CA2016/050473 (87) International publication number: WO 2016/168940 (27.10.2016 Gazette 2016/43)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 23.04.2015 CA 2889605 (71) Applicant: Westport Power Inc. Vancouver, British Columbia V6P 6G2 (CA)	(72) Inventors: HUANG, Jian Surrey, British Columbia V3S 0V8 (CA) LEE, Kevin Derek Coquitlam, British Columbia V3E 0M1 (CA) (74) Representative: FRKelly  27 Clyde Road Dublin D04 F838 Dublin D04 F838 (IE)